#include <stdio.h>

int main(int argc, char *argv[]) {
	printf("Hello World\n");
	printf("字符常量: %c\n整型常量: %d\n浮点常量: %f", '#', 28, 2.8);
	printf("%%");
	printf("\n");
	char d = ':';
	int hour = 16, minute = 4;
	printf("当前时间: %d%c%02d", hour, d, minute);
	printf("\n");
	int div = 16, div_ = 17;
	printf("向零取整: %d, %d, %d, %d", div / 4, div_ / 4, -div / 4, -div_ / 4);
	printf("\n");
	printf("向上取整: %d, %d", div / 4, (div_ % 4 > 0 ? div_ / 4 + 1 : div_ / 4));
	printf("\n");
	return 0;
}
